! SIEMENS Small Signal Semiconductors ! BFP181 ! Si NPN RF Bipolar Junction Transistor in SOT143 ! VCE = 0.75 V IC = 17 mA ! Common Emitter S-Parameters: March 1996 # GHz S MA R 50 ! f S11 S21 S12 S22 ! GHz MAG ANG MAG ANG MAG ANG MAG ANG 0.010 0.4850 -12.5 20.802 174.3 0.0031 72.8 0.8160 -3.4 0.020 0.4917 -24.5 20.629 168.8 0.0061 75.8 0.8053 -7.2 0.050 0.4953 -56.7 18.910 152.6 0.0139 67.3 0.7496 -16.9 0.100 0.5180 -96.0 14.928 132.8 0.0223 51.5 0.6261 -27.0 0.150 0.5338 -119.9 11.804 119.6 0.0269 44.6 0.5306 -30.9 0.200 0.5440 -135.2 9.554 110.7 0.0297 41.4 0.4656 -32.2 0.250 0.5514 -145.8 7.943 104.2 0.0313 39.4 0.4242 -32.1 0.300 0.5545 -153.7 6.775 99.5 0.0329 39.3 0.3972 -31.7 0.400 0.5597 -165.5 5.194 91.5 0.0356 40.3 0.3640 -30.9 0.500 0.5629 -173.1 4.179 85.5 0.0387 41.1 0.3457 -30.9 0.600 0.5664 -179.4 3.537 80.4 0.0420 43.5 0.3364 -31.4 0.700 0.5665 174.8 3.025 75.8 0.0453 45.5 0.3296 -32.2 0.800 0.5709 170.3 2.669 71.7 0.0486 46.3 0.3257 -33.5 0.900 0.5764 166.2 2.380 67.9 0.0526 47.6 0.3218 -35.1 1.000 0.5797 161.5 2.135 63.9 0.0560 48.5 0.3186 -36.8 1.100 0.5860 158.0 1.951 60.2 0.0603 49.1 0.3163 -38.8 1.200 0.5869 154.3 1.788 57.1 0.0639 49.6 0.3147 -40.8 1.300 0.5932 151.2 1.650 53.6 0.0677 49.8 0.3137 -42.9 1.400 0.5967 148.0 1.539 50.5 0.0717 50.0 0.3117 -45.1 1.500 0.6018 145.1 1.435 46.8 0.0759 50.3 0.3116 -47.1 1.600 0.6039 141.6 1.349 43.9 0.0795 50.2 0.3108 -49.5 1.700 0.6114 138.5 1.261 40.6 0.0837 49.6 0.3087 -52.1 1.800 0.6211 135.8 1.191 37.6 0.0879 49.6 0.3076 -54.7 1.900 0.6217 132.9 1.126 34.7 0.0920 48.9 0.3051 -57.1 2.000 0.6247 129.9 1.064 31.9 0.0959 48.6 0.3053 -59.9 2.200 0.6416 124.5 0.966 26.0 0.1040 47.4 0.3018 -65.4 2.400 0.6584 119.2 0.882 20.9 0.1123 46.0 0.2986 -71.2 2.600 0.6727 114.4 0.804 15.8 0.1199 44.6 0.2952 -76.8 2.800 0.6836 109.8 0.742 10.6 0.1274 42.9 0.2943 -83.5 3.000 0.6997 105.2 0.681 6.3 0.1350 41.5 0.2909 -89.7 3.500 0.7302 95.5 0.560 -4.0 0.1536 37.2 0.2953 -106.8 4.000 0.7551 87.1 0.469 -12.0 0.1713 32.4 0.3043 -123.9 4.500 0.7744 79.9 0.393 -18.0 0.1872 27.6 0.3214 -140.5 5.000 0.7945 73.9 0.337 -21.1 0.2027 23.2 0.3433 -155.0 5.500 0.8028 68.3 0.294 -22.8 0.2191 18.3 0.3733 -167.0 6.000 0.8155 63.3 0.269 -23.1 0.2329 13.2 0.4035 -178.0 ! ! SIEMENS AG Semiconductor Group, Munich